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Cheap flights from London Heathrow Airport to Allentown from £392

LHR — ABE
25 Sep — 2 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Allentown

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Allentown

Sat 19/910:30 -
2 stops17h 52m
Thu 10/1211:44 -
2 stops17h 41m
Deal found 22/8£695
Fri 9/1006:50 -
2 stops15h 18m
Fri 16/1017:43 -
1 stop13h 12m
Deal found 25/8£696
Tue 22/906:30 -
2 stops20h 46m
Tue 29/912:56 -
1 stop12h 29m
Deal found 23/8£703
Tue 13/1010:30 -
2 stops16h 42m
Thu 22/1018:44 -
1 stop12h 31m
Deal found 22/8£705
Sat 19/915:50 -
2 stops30h 29m
Thu 10/1206:39 -
2 stops19h 11m
Deal found 22/8£715
Tue 22/909:20 -
1 stop13h 01m
Tue 29/918:08 -
1 stop14h 07m
Deal found 23/8£722
Mon 19/1014:10 -
1 stop24h 25m
Sun 25/1017:36 -
1 stop14h 24m
Deal found 24/8£741
Fri 9/1006:15 -
2 stops16h 01m
Fri 16/1013:00 -
2 stops18h 05m
Deal found 25/8£768
Wed 9/914:25 -
1 stop12h 53m
Sun 13/917:17 -
1 stop32h 38m
Deal found 24/8£774

Find flight deals from Heathrow to Allentown

Round-trip from

£695

One-way from

£392
Finnair
  • Finnair
  • 19/9-10/12
  • 3 total stops
  • 35h 14m total
  • London to Allentown
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 44h 10m total
  • London to Allentown
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Allentown that are best for you.

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Depart

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Price

Cheapest return flight

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sat 19/9

10:30-23:22

2 stops17h 52m

Allentown-Bethlehem

Thu 10/12

11:44-10:25

2 stops17h 41m

£695

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Fri 9/10

06:50-17:08

2 stops15h 18m

Allentown-Bethlehem

Fri 16/10

17:43-11:55

1 stop13h 12m

£696

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 22/9

06:30-22:16

2 stops20h 46m

Allentown-Bethlehem

Tue 29/9

12:56-06:25

1 stop12h 29m

£703

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Sat 19/9

15:50-17:19

2 stops30h 29m

Allentown-Bethlehem

Thu 10/12

06:39-06:50

2 stops19h 11m

£715
Fastest return journey

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 22/9

09:20-17:21

1 stop13h 01m

Allentown-Bethlehem

Tue 29/9

18:08-13:15

1 stop14h 07m

£722

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Tue 13/10

06:15-17:16

2 stops16h 01m

Allentown-Bethlehem

Thu 22/10

06:39-07:10

2 stops19h 31m

£722

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Mon 19/10

14:10-09:35

1 stop24h 25m

Allentown-Bethlehem

Sun 25/10

17:36-12:00

1 stop14h 24m

£741

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Fri 9/10

06:15-17:16

2 stops16h 01m

Allentown-Bethlehem

Fri 16/10

13:00-12:05

2 stops18h 05m

£768

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Wed 9/9

14:25-22:18

1 stop12h 53m

Allentown-Bethlehem

Sun 13/9

17:17-06:55

1 stop32h 38m

£774

LondonAllentown

LHR London Heathrow - ABE Allentown-Bethlehem

LHRABE

London Heathrow

Thu 17/12

06:30-20:51

2 stops19h 21m

Allentown-Bethlehem

Tue 5/1

10:37-05:55

1 stop14h 18m

£1,060

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Heathrow to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Heathrow with our price prediction graph.
Estimated return price

Related info for your journey

  • What airport do you fly into for flights to Allentown from London Heathrow?

    Most people fly into Allentown-Bethlehem (ABE) if they book a flight to Allentown from London Heathrow. On average, Allentown-Bethlehem has 0 inbound flights from London Heathrow per day from 0 airlines. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.

  • How long is the flight from London Heathrow Airport to Allentown?

    Airlines like Finnair, United Airlines, and Delta fly from London Heathrow Airport to Allentown in about 15h 18m. The time it takes to get you to your destination can typically vary by up to 5h 28m. The distance between London Heathrow Airport and Allentown is about 3507 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Heathrow to Allentown that include hotel bookings?

    Yes. In addition to deals on Heathrow to Allentown flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Allentown.

  • Can I find deals for business class flights from Heathrow to Allentown?

    Yes. Cheapflights offers flight deals from Heathrow to Allentown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Deals for Heathrow to Allentown flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Can Cheapflights find flights from Heathrow to Allentown with no change fees?

Need flexible booking options for your flight to Allentown from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Allentown become cheaper?

Yes! Start tracking prices for Heathrow to Allentown flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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